Total streamflow across the Mckenzie River was last observed at 20,498 cfs, and is expected to yield approximately 40,657 acre-ft of water today; about 81% of normal. Average streamflow for this time of year is 25,200 cfs, with recent peaks last observed on 2019-04-08 when daily discharge volume was observed at 160,850 cfs.

Maximum discharge along the river is currently at the Mckenzie River Near Coburg reporting a streamflow rate of 4,590 cfs. However, the streamgauge with the highest stage along the river is the Mckenzie River Bl Payne Cr with a gauge stage of 2094.44 ft. This river is monitored from 8 different streamgauging stations along the Mckenzie River, the highest being situated at an altitude of 3,020 ft, the Mckenzie River At Outlet Of Clear Lake.

The McKenzie River is a tributary of the Willamette River located in Oregon, stretching for approximately 90 miles. The river was named after Scottish-Canadian explorer Donald McKenzie, who first discovered the river in 1812. The McKenzie River is renowned for its clear water and pristine environment, making it a popular recreational destination for fishing, rafting, and hiking. The river also has several hydroelectric dams, including Cougar, Blue River, and Trail Bridge Reservoirs, which provide electricity to the surrounding areas. Aside from its recreational and energy uses, the McKenzie River is also crucial for irrigation, particularly for farming in the Willamette Valley. The river is home to a variety of fish species, including trout and salmon, and has been a conservation focus for many organizations.